diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index b3fe4f47..59eddaf7 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -9,6 +9,8 @@ def text_invalid_age_authorizer(status)
     min_age = options["age"]
     max_age = options["max_age"]
 
+    return t("corrupted_metadata", scope:) if status.instance_variable_get(:@authorization_handler).instance_variable_get(:@action_authorizer).missing_fields.present?
+
     if min_age.present? && max_age.present?
       t("both", scope:, max_age:, min_age:)
     elsif min_age.present? && max_age.blank?
diff --git a/config/locales/ca.yml b/config/locales/ca.yml
index 83d6ebe7..2e500353 100644
--- a/config/locales/ca.yml
+++ b/config/locales/ca.yml
@@ -92,6 +92,9 @@ ca:
             invalid_field:
               both: Acció restringida als habitants del padró municipal entre %{min_age}
                 i %{max_age} anys
+              corrupted_metadata: No s'han pogut recuperar les dades necessàries per
+                verificar-ne l'edat. Torneu a obtenir l'autorització del padró municipal
+                per poder verificar les vostres dades.
               max_age: Acció restringida als habitants del padró municipal menors
                 de %{max_age} anys
               min_age: Acció restringida als habitants del padró municipal majors
diff --git a/config/locales/en.yml b/config/locales/en.yml
index da5c2e42..342abd68 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -75,6 +75,9 @@ en:
             invalid_field:
               both: Action restricted to the inhabitants of the municipal census between
                 %{min_age} and %{max_age} years old.
+              corrupted_metadata: The data required to verify your age could not be
+                retrieved. Please obtain authorization of the municipal census again
+                to verify your data.
               max_age: Action restricted to the inhabitants of the municipal census
                 under the age of %{max_age}.
               min_age: Action restricted to the inhabitants of the municipal census
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 2e6c4ea8..7dc38851 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -75,6 +75,9 @@ es:
             invalid_field:
               both: Acción restringida a los habitantes del padrón municipal entre
                 %{min_age} y %{max_age} años
+              corrupted_metadata: No se han podido recuperar los datos necesarios
+                para verificar tu edad. Vuelve a obtener la autorización del padrón
+                municipal para poder verificar tus datos.
               max_age: Acción restringida a los habitantes del padrón municipal menores
                 de %{max_age} años
               min_age: Acción restringida a los habitantes del padrón municipal mayores
diff --git a/decidim-age_action_authorization/lib/decidim/age_action_authorization/authorizer.rb b/decidim-age_action_authorization/lib/decidim/age_action_authorization/authorizer.rb
index 232335d0..ba8c36a1 100644
--- a/decidim-age_action_authorization/lib/decidim/age_action_authorization/authorizer.rb
+++ b/decidim-age_action_authorization/lib/decidim/age_action_authorization/authorizer.rb
@@ -21,11 +21,14 @@ def set_unmatched_fields
 
       def valid_metadata?
         return unless authorization
+        return true if authorization.metadata["birthdate"].blank?
 
-        !authorization.metadata["birthdate"].nil?
+        birthdate.present?
       end
 
       def valid_age?
+        return false if birthdate.blank?
+
         min_date = birthdate + minimum_age.years
         max_date = options["max_age"].present? &&
                    (birthdate + options["max_age"].to_i.years)
@@ -38,7 +41,7 @@ def valid_age?
       end
 
       def birthdate
-        @birthdate ||= Date.strptime(authorization.metadata["birthdate"], "%Y/%m/%d")
+        @birthdate ||= Date._strptime(authorization.metadata["birthdate"], "%Y/%m/%d").present? ? Date.strptime(authorization.metadata["birthdate"], "%Y/%m/%d") : nil
       end
 
       def minimum_age